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Coaxial Wire
SFF-75-3-1 Coaxial signal wire
Execution Standards：SJ1563-80
Product characteristics：
1.Working temperature： -55℃～200℃（Including working temperature rise of wire）
2、Conductor：Silver-plated copper conductor,Shield:Silver-plated copper conductor
3、Insulation：Polytetrafluoroethylene(F4)
4、Sheath：Fluorinated ethylene-propylene(F46)
5、Color：Insulation:White Sheath:Transparent or other colors
Characteristics/uses：
This is a wire for fixed or movable radio equipment. It has the characteristics of small size, light weight, good flexibility, high temperature resistance, moisture resistance, corrosion resistance and non-flammability. Solid-core PTFE insulated RF coaxial wires suitable for transmitting radio frequency signals in radio communication, broadcasting and related electronic equipment are allowed to use the lowest temperature-55℃and the highest temperature+200℃
Delivery requirement：
According to the agreement of the two parties, short delivery of not less than 10 meters is allowed. The quantity shall not exceed 10% of the total length of delivery.
wire structure data and main performance：
|
Model |
Inner conductor |
Nominal insulation outside diameter |
Outer conductor |
Nominal sheath outside diameter |
Nominal characteristic impedance |
Decay constant |
Test voltage |
||
|
30 MHz |
200 MHz |
3000 MHz |
|||||||
|
SFF-50-1 |
7/0.10 |
0.87 |
Single layer knitting |
1.80 |
50 |
0.33 |
0.85 |
3.40 |
1.2 |
|
SFF-50-1.5-1 |
7/0.18 |
1.50 |
Single layer knitting |
2.55 |
0.19 |
0.50 |
2.00 |
2.0 |
|
|
SFF-50-1.5-2 |
7/0.18 |
1.50 |
Double layer knitting |
3.20 |
0.19 |
0.50 |
2.00 |
2.0 |
|
|
SFF-50-2-1 |
1/0.73 |
2.20 |
Single layer knitting |
3.30 |
0.12 |
0.31 |
1.27 |
3.0 |
|
|
SFF-50-2-2 |
1/0.73 |
2.20 |
Double layer knitting |
4.00 |
0.12 |
0.31 |
1.27 |
3.0 |
|
|
SFF-50-3-1 |
1/0.93 |
3.00 |
Single layer knitting |
4.50 |
0.086 |
0.23 |
0.95 |
4.2 |
|
|
SFF-50-3-2 |
1/0.93 |
3.00 |
Double layer knitting |
5.50 |
0.086 |
0.23 |
0.95 |
4.2 |
|
|
SFF-50-5 |
1/1.48 |
4.60 |
Single layer knitting |
6.40 |
0.057 |
0.15 |
0.67 |
6.5 |
|
|
SFF-75-1 |
1/0.17 |
0.87 |
Single layer knitting |
1.80 |
75 |
0.28 |
0.74 |
2.90 |
1.0 |
|
SFF-75-1.5-1 |
7/0.10 |
1.50 |
Single layer knitting |
2.55 |
0.20 |
0.50 |
2.00 |
1.8 |
|
|
SFF-75-1.5-2 |
7/0.10 |
1.50 |
Double layer knitting |
3.20 |
0.20 |
0.50 |
2.00 |
1.8 |
|
|
SFF-75-3-1 |
1/0.55 |
3.00 |
Single layer knitting |
4.50 |
0.086 |
0.23 |
0.95 |
3.6 |
|
|
SFF-75-3-2 |
1/0.55 |
3.00 |
Double layer knitting |
5.50 |
0.086 |
0.23 |
0.95 |
3.6 |
|
|
SFF-75-5 |
1/0.82 |
4.60 |
Single layer knitting |
6.40 |
0.057 |
0.15 |
0.66 |
5.5 |
|
